Patents by Inventor Guangliang Shang

Guangliang Shang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10867687
    Abstract: A shift register unit and a method for driving the same, a gate drive circuitry and a display device are provided. The shift register unit includes: an output circuit, coupled to a first signal output terminal and a pull-up control node, and configured to receive a first clock signal and output the first clock signal to the first signal output terminal under control of a potential of the pull-up control node; an output control circuit, coupled to a signal input terminal, the pull-up control node and the first signal output terminal; a clock control circuit configured to receive a first clock signal and at least one additional clock signal and generate a second clock signal using the first clock signal and the at least one additional clock signal; and a transmission circuit coupled to a second signal output terminal and the pull-up control node.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: December 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Yao, Mingfu Han, Guangliang Shang, Haoliang Zheng, Lijun Yuan, Zhenyu Zhang
  • Publication number: 20200388217
    Abstract: The present disclosure discloses a circuit, a driving method thereof, a display panel and a display device. The circuit may include: a signal control module, a compensation control module, an initialization module, a data writing module, a driving control module, and a light emitting device. With the signal control module which is cooperated with other modules, the threshold voltage compensation time of the driving transistor can be increased, and the threshold voltage compensation can be ensured, thereby improving the image display quality.
    Type: Application
    Filed: May 14, 2018
    Publication date: December 10, 2020
    Inventors: Lijun YUAN, Mingfu HAN, Zhichong WANG, Haoliang ZHENG, Seungwoo HAN, Guangliang SHANG
  • Publication number: 20200388218
    Abstract: This disclosure discloses a pixel circuit and a control method therefor, a display substrate and a display device. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a storage capacitor and a light-emitting element. The pixel circuit further comprises a first sensing circuit and a second sensing circuit, wherein the first sensing circuit is connected in parallel with the first transistor, and the second sensing circuit is connected in parallel with the second transistor; a first sensing signal and a second sensing signal are respectively input to the first sensing circuit and the second sensing circuit for completing acquisition of electrical parameters of the pixel circuit according to the first sensing signal and the second sensing signal.
    Type: Application
    Filed: June 13, 2018
    Publication date: December 10, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seungwoo HAN, Guangliang SHANG
  • Publication number: 20200388201
    Abstract: The embodiments of the present application provide a shift register unit and a method for driving the same, a gate driving circuit, and a display apparatus. Here, the shift register unit includes a first controlling sub-circuit, a first voltage dividing sub-circuit, a charging and discharging sub-circuit, and an outputting sub-circuit. Here, an output signal of the outputting sub-circuit is controlled by the charging and discharging sub-circuit. A first input signal and a second input signal input at a first input signal terminal Forward and a second input signal terminal Backward electrically coupled to the charging and discharging sub-circuit are pulse signals.
    Type: Application
    Filed: April 12, 2019
    Publication date: December 10, 2020
    Inventors: Zhichong Wang, Seungwoo Han, Guangliang Shang, Haoliang Zheng, Lijun Yuan, Xing Yao, Mingfu Han
  • Patent number: 10818239
    Abstract: The present disclosure provides a pixel driving circuit and a method for driving the same, a pixel unit, and a display panel.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: October 27, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lijun Yuan, Guangliang Shang, Xing Yao, Haoliang Zheng, Mingfu Han
  • Patent number: 10811114
    Abstract: Embodiments of the present application provide a shift register unit, a method for driving the same, a gate driving circuit, and a display apparatus. The shift register unit comprises at least two sub-circuits of a first output sub-circuit, a second output sub-circuit, and a third output sub-circuit. The first output sub-circuit is configured to output a voltage at a signal output terminal to a reset signal output terminal; the second output sub-circuit is configured to output the voltage at the signal output terminal to a gating signal output terminal; and the third output sub-circuit is configured to output a voltage at a second voltage terminal to a light-emitting control signal output terminal or is configured to output a voltage at a first voltage terminal to the light-emitting control signal output terminal.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: October 20, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lijun Yuan, Mingfu Han, Seung Woo Han, Xing Yao, Zhichong Wang, Guangliang Shang, Haoliang Zheng
  • Publication number: 20200273419
    Abstract: A shift register unit and a driving method, a grid driving circuit and a display device are disclosed. A shift register unit includes an input circuit, a first reset circuit, and an output circuit. The input circuit includes an input terminal configured to perform a first control on the first control node and the first node in response to an input signal of the input terminal, and then perform a second control on the first node under the control of the level of the first node, the first node is located in a path where the input signal incurs the first control; the first reset circuit is configured to reset the first control node in response to the first reset signal; the output circuit is configured to output an output signal to an output terminal under the control of the level of the first control node.
    Type: Application
    Filed: November 5, 2018
    Publication date: August 27, 2020
    Inventors: Zhichong WANG, Haoliang ZHENG, Guangliang SHANG, Seung Woo HAN, Yinglong HUANG
  • Patent number: 10755665
    Abstract: A pixel circuit, an array substrate, a display panel and an electronic apparatus are provided. The pixel circuit includes: a data writing sub-circuit, a first data storage sub-circuit, a second data storage sub-circuit and a light-emitting control sub-circuit. The data writing sub-circuit writes, under the control of a signal input from a first control signal input end, to the first data storage sub-circuit a data signal input from a data signal input end, and writes, under the control of a signal input from a second control signal input end, to the second data storage sub-circuit the data signal input from the data signal input end. The light-emitting control sub-circuit controls on/off states of corresponding thin film transistors in accordance with data signals output from the first data storage sub-circuit and the second data storage sub-circuit, so that different gray-scales may be rendered.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: August 25, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seungwoo Han, Guangliang Shang
  • Publication number: 20200265763
    Abstract: The present disclosure is related to a memory-in-pixel circuit. The memory-in-pixel circuit comprises a switch sub-circuit, and a data input sub-circuit. The data input sub-circuit comprises a first floating gate transistor and a second floating gate transistor. The data input sub-circuit is configured to transmit a data signal from one of a plurality of data lines to a pixel electrode under control of the switch sub-circuit.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 20, 2020
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Guangliang Shang, Chengyou Han, Mingfu Han, Lijun Yuan, Xing Yao, Haoliang Zheng
  • Publication number: 20200258468
    Abstract: A pixel compensation method, a pixel compensation device and a display device are provided. The pixel compensation method includes: determining a target sub-pixel to be compensated in a display area; setting at least one charged sub-pixel connected to a same data line as the target sub-pixel, as a reference sub-pixel; acquiring a compensation value of the target sub-pixel; and compensating a display parameter of the target sub-pixel based on the compensation value.
    Type: Application
    Filed: November 27, 2018
    Publication date: August 13, 2020
    Inventors: Yifang CHU, Guangliang SHANG, Jieqiong WANG
  • Publication number: 20200258463
    Abstract: A shift register unit cascaded in a gate drive circuit, wherein the shift register unit comprises: a control circuit configured to output a control signal, at least two buffer circuits coupled to the control circuit, each of the at least two buffer circuits configured to output scan signal to a gate line. As such, the scan signals output from the at least two buffer circuits would be synchronized so that the gate lines respectively coupled to the two buffer circuits can be scanned simultaneously.
    Type: Application
    Filed: October 31, 2017
    Publication date: August 13, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiha Kim, Seungwoo Han, Guangliang Shang, Haoliang Zheng, Xing Yao, Zhichong Wang, Mingfu Han, Lijun Yuan, Yunsik IM, Jing Lv, Xue Dong
  • Publication number: 20200227006
    Abstract: The present disclosure provides a compensation method, compensation device, and a display device. The compensation method includes: adjusting charging time for multiple areas of the display screen so that the charging time for each area is positively related to a distance from the area to a data voltage input terminal; comparing a first grayscale value before compensation of a sub-pixel in an i-th row and j-th column with a second grayscale value input to a sub-pixel in an (i?1)-th row and j-th column; searching a corresponding grayscale compensation parameter from a grayscale compensation parameter table according to the first grayscale value and the second grayscale value; compensating the first grayscale value by the grayscale compensation parameter to obtain a third grayscale value; and inputting the third grayscale value to the sub-pixel in the i-th row and j-th column for display.
    Type: Application
    Filed: May 28, 2019
    Publication date: July 16, 2020
    Inventors: Xing YAO, Mingfu HAN, Guangliang SHANG, Hao ZHU, Yifang CHU, Yunsik IM
  • Publication number: 20200219428
    Abstract: A shift register circuit according to an embodiment of the present disclosure includes an input sub-circuit and N-stage output sub-circuits. The input sub-circuit is configured to transmit an input signal to a pull up node at a first stage. The output sub-circuit at each stage is configured to transmit a clock signal from a clock signal terminal at a same stage to an output signal terminal at the same stage under the control of a pull-up node at the same stage. The output sub-circuit at each stage is further configured to transmit a signal transmitted to an output signal terminal at the same stage to a pull-up node at an immediately subsequent stage under the control of a shift control signal from a shift control signal terminal at the same stage.
    Type: Application
    Filed: July 18, 2019
    Publication date: July 9, 2020
    Inventors: Lijun YUAN, Xing YAO, Guangliang SHANG, Haoliang ZHENG, Zhenyu ZHANG
  • Publication number: 20200219576
    Abstract: A shift register unit and a method for driving the same, a gate drive circuitry and a display device are provided. The shift register unit includes: an output circuit, coupled to a first signal output terminal and a pull-up control node, and configured to receive a first clock signal and output the first clock signal to the first signal output terminal under control of a potential of the pull-up control node; an output control circuit, coupled to a signal input terminal, the pull-up control node and the first signal output terminal; a clock control circuit configured to receive a first clock signal and at least one additional clock signal and generate a second clock signal using the first clock signal and the at least one additional clock signal; and a transmission circuit coupled to a second signal output terminal and the pull-up control node.
    Type: Application
    Filed: November 27, 2019
    Publication date: July 9, 2020
    Inventors: Xing YAO, Mingfu HAN, Guangliang SHANG, Haoliang ZHENG, Lijun YUAN, Zhenyu ZHANG
  • Patent number: 10699627
    Abstract: A driving method of a display panel, a display panel and a display device are disclosed. The method includes: for a first row of sub-pixels and a second row, adjacent to the first row, of sub-pixels, during a display period of a first frame image, inputting data signals to the first row of sub-pixels in a first order, and inputting data signals to the second row of sub-pixels in a second order opposite to the first order; and during a display period of a second frame image adjacent to the first frame image, inputting data signals to the first row of sub-pixels in the second order and inputting data signals to the second row of sub-pixels in the first order.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: June 30, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yoonsung Um, Mingfu Han, Lijun Yuan, Guangliang Shang, Xing Yao, Haoliang Zheng
  • Patent number: 10679565
    Abstract: An array substrate, a display panel, a display device and a driving method. The array substrate includes: a plurality of first pixel units arranged in an array in a first region; a first gate driving circuit a second gate driving circuit; a plurality of first gate lines connected with the first gate driving circuit; and a plurality of second gate lines connected with the second gate driving circuit. A first portion of the plurality of first pixel units is connected with the plurality of first gate lines, and each first pixel unit in the first portion is connected with one of the plurality of first gate lines; and a second portion of the plurality of first pixel units is connected with the plurality of second gate lines, and each first pixel unit in the second portion is connected with one of the plurality of second gate lines.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: June 9, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiha Kim, Seung Woo Han, Guangliang Shang, Haoliang Zheng, Xing Yao, Mingfu Han, Zhichong Wang, Lijun Yuan, Yun Sik Im, Yinglong Huang, Xue Dong
  • Publication number: 20200126487
    Abstract: The embodiments of the present disclosure provide a gate driving circuit and a method for controlling the same, and a display apparatus.
    Type: Application
    Filed: August 30, 2019
    Publication date: April 23, 2020
    Inventors: Guangliang Shang, Seungwoo Han, Lijun Yuan, Mingfu Han, Haoliang Zheng, Xing Yao, Zhenyu Zhang
  • Patent number: 10629151
    Abstract: There is provided in the present disclosure a shift register unit, comprising: an input circuit, whose first terminal is connected to a power supply terminal, second terminal is connected to an input terminal, and third terminal is connected to a pull-up node, the input circuit being configured to input a power supply signal input by the power supply terminal to the pull-up node under the control of an input signal; a pull-up control circuit, whose first terminal is connected to a first clock signal terminal, and second terminal is connected to the pull-up node, the pull-up control circuit being configured to control a potential of the pull-up node according to a first clock signal input by the first clock signal terminal; a pull-up circuit, whose first terminal is connected to a first signal terminal, second terminal is connected to an output terminal, third terminal is connected to the pull-up node.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: April 21, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiha Kim, Lijun Yuan, Zhichong Wang, Mingfu Han, Xing Yao, Guangliang Shang, Seung Woo Han, Yun Sik Im, Jing Lv, Yinglong Huang, Jung Mok Jun, Haoliang Zheng
  • Publication number: 20200090611
    Abstract: The present disclosure relates to an array substrate gate driving unit and an apparatus thereof, a driving method and a display apparatus. The array substrate gate driving unit includes: an input circuit, connected with an input signal terminal and a pull-up node PU; a pull-down circuit, connected with a first voltage signal terminal and the pull-up node PU; a pull-down control circuit, connected with the pull-down circuit via a pull-down node PD; an output circuit, connected with a clock signal terminal CLK, a second voltage signal terminal and a control circuit; a reset circuit, connected with a reset signal terminal Reset, the first voltage signal terminal and the pull-up node PU; and the control circuit, connected with the pull-up node PU and the output circuit.
    Type: Application
    Filed: July 28, 2017
    Publication date: March 19, 2020
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Mingfu Han, Guangliang Shang, Xing Yao, Seung Woo Han, Jiha Kim, Haoliang Zheng, Lijun Yuan, Zhichong Wang
  • Publication number: 20200082757
    Abstract: The present disclosure provides a pixel driving circuit and a method for driving the same, a pixel unit, and a display panel.
    Type: Application
    Filed: April 30, 2019
    Publication date: March 12, 2020
    Inventors: Lijun YUAN, Guangliang SHANG, Xing YAO, Haoliang ZHENG, Mingfu HAN